Increased air （） will raise scavenge efficiency and allow a greater mass of air to be compressed； more fuel may now be burned giving an increased power.<br>A:specific volume<br>B:density<br>C:viscosity<br>D:calorific value

Increased air （） will raise scavenge efficiency and allow a greater mass of air to be compressed； more fuel may now be burned giving an increased power.
A:specific volume
B:density
C:viscosity
D:calorific value

出自：海船船员证

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